dor_id: 11079

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650.#.4.x: Físico Matemáticas y Ciencias de la Tierra

336.#.#.b: article

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336.#.#.a: Artículo

351.#.#.6: https://www.revistascca.unam.mx/atm/index.php/atm/index

351.#.#.b: Atmósfera

351.#.#.a: Artículos

harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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856.4.0.u: https://www.revistascca.unam.mx/atm/index.php/atm/article/view/8421/7891

100.1.#.a: Jegede, Oluwagbemiga O.; Lofstrom, Per

524.#.#.a: Jegede, Oluwagbemiga O., et al. (1997). Fluxes of sensible heat and momentum in the surface layer estimated from the profile measurements of wind and temperature at a tropical station. Atmósfera; Vol. 10 No. 4, 1997. Recuperado de https://repositorio.unam.mx/contenidos/11079

245.1.0.a: Fluxes of sensible heat and momentum in the surface layer estimated from the profile measurements of wind and temperature at a tropical station

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

264.#.0.c: 1997

264.#.1.c: 2009-10-05

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC 4.0 Internacional, https://creativecommons.org/licenses/by-nc/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico editora@atmosfera.unam.mx

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001.#.#.#: 022.oai:ojs.pkp.sfu.ca:article/8421

041.#.7.h: eng

520.3.#.a: In this study the surface layer fluxes for both the sensible heat and momentum have been estimated at a tropical location; Osu, Nigeria (7º26" N, 4º35" E), using profile measurements of mean wind and temperature realized within the pre-monsoon season (January - March). Due to the weak surface winds that commonly exist in the area (for the study period, U was 1.24 m.s-1) and strong insolation, the daytime SL was frequently found to be within the free convection regime. Typically in the daytime, the sensible heat flux H~200 W.m-2 and the friction velocity u* ~ 0.2 m.s-1. At nighttimes, the ground-based temperature inversion was very pronounced (>0.33ºC.m-1) and it is such that the intensity of the turbulence in the nocturnal SL was weaker, shallower, sporadic and unsustained (H~ -5.0 W.m-2; * < 0.2 m.s-1). The frequency distribution of these derived fluxes (and the mean variables) for the observation period is also discussed.

773.1.#.t: Atmósfera; Vol. 10 No. 4 (1997)

773.1.#.o: https://www.revistascca.unam.mx/atm/index.php/atm/index

046.#.#.j: 2021-10-20 00:00:00.000000

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handle: 693d4e01112e7dc3

harvesting_date: 2023-06-20 16:00:00.0

856.#.0.q: application/pdf

245.1.0.b: Fluxes of sensible heat and momentum in the surface layer estimated from the profile measurements of wind and temperature at a tropical station

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Artículo

Fluxes of sensible heat and momentum in the surface layer estimated from the profile measurements of wind and temperature at a tropical station

Jegede, Oluwagbemiga O.; Lofstrom, Per

Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM, publicado en Atmósfera, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Jegede, Oluwagbemiga O., et al. (1997). Fluxes of sensible heat and momentum in the surface layer estimated from the profile measurements of wind and temperature at a tropical station. Atmósfera; Vol. 10 No. 4, 1997. Recuperado de https://repositorio.unam.mx/contenidos/11079

Descripción del recurso

Autor(es)
Jegede, Oluwagbemiga O.; Lofstrom, Per
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Fluxes of sensible heat and momentum in the surface layer estimated from the profile measurements of wind and temperature at a tropical station
Fecha
2009-10-05
Resumen
In this study the surface layer fluxes for both the sensible heat and momentum have been estimated at a tropical location; Osu, Nigeria (7º26" N, 4º35" E), using profile measurements of mean wind and temperature realized within the pre-monsoon season (January - March). Due to the weak surface winds that commonly exist in the area (for the study period, U was 1.24 m.s-1) and strong insolation, the daytime SL was frequently found to be within the free convection regime. Typically in the daytime, the sensible heat flux H~200 W.m-2 and the friction velocity u* ~ 0.2 m.s-1. At nighttimes, the ground-based temperature inversion was very pronounced (>0.33ºC.m-1) and it is such that the intensity of the turbulence in the nocturnal SL was weaker, shallower, sporadic and unsustained (H~ -5.0 W.m-2; * < 0.2 m.s-1). The frequency distribution of these derived fluxes (and the mean variables) for the observation period is also discussed.
Idioma
eng
ISSN
ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236

Enlaces